Home / 1,575,184.77-2,174,026.28-912,803.76

Finding the Fourth Proportional to 1,575,184.77, 2,174,026.28 and 912,803.76

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Solution

The fourth proportional to 1,575,184.77, 2,174,026.28 and 912,803.76 is: 1,259,826.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575,184.77 : 2,174,026.28 = 912,803.76 : x
  2. Step 2: Convert to fraction form
    1,575,184.77/2,174,026.28 = 912,803.76/x
  3. Step 3: Cross multiply
    1,575,184.77x = 2,174,026.28 × 912,803.76
  4. Step 4: Simplify right side
    1,575,184.77x = 1,984,459,358,158.79
  5. Step 5: Solve for x
    x = 1,984,459,358,158.79/1,575,184.77
  6. Step 6: Final answer
    x = 1,259,826.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.